You can't find the LCM of a single number. You need at least two. If that's 122 and 237, the LCM is 28914. If that's 12, 22 and 37, the LCM is 9768.
The three numbers are coprime so their LCM = 17*27*37 = 16983
The LCM is 259.
The LCM is: 555
LCM of 37 and 6 = 222
The LCM of 37 and 76 is 2,812
LCM of 37 and 12 = 444
The LCM is 19314.
LCM of 45 and 37 is 1665.
Their product.
Their product.
The LCM is 9324.